--- /dev/null
+/* $XConsortium: extnsionst.h /main/15 1996/08/01 19:18:11 dpw $ */
+/* $XFree86: xc/programs/Xserver/include/extnsionst.h,v 3.2 1996/12/23 07:09:27 dawes Exp $ */
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+#ifndef EXTENSIONSTRUCT_H
+#define EXTENSIONSTRUCT_H
+
+#include "misc.h"
+#include "screenint.h"
+#include "extension.h"
+#include "gc.h"
+
+typedef struct _ExtensionEntry {
+ int index;
+ void (* CloseDown)( /* called at server shutdown */
+#if NeedNestedPrototypes
+ struct _ExtensionEntry * /* extension */
+#endif
+);
+ char *name; /* extension name */
+ int base; /* base request number */
+ int eventBase;
+ int eventLast;
+ int errorBase;
+ int errorLast;
+ int num_aliases;
+ char **aliases;
+ pointer extPrivate;
+ unsigned short (* MinorOpcode)( /* called for errors */
+#if NeedNestedPrototypes
+ ClientPtr /* client */
+#endif
+);
+#ifdef XCSECURITY
+ Bool secure; /* extension visible to untrusted clients? */
+#endif
+} ExtensionEntry;
+
+/* any attempt to declare the types of the parameters to the functions
+ * in EventSwapVector fails. The functions take pointers to two events,
+ * but the exact event types that are declared vary from one function
+ * to another. You can't even put void *, void * (the ibm compiler
+ * complains, anyway).
+ */
+typedef void (*EventSwapPtr) (
+#if NeedFunctionPrototypes && defined(EVENT_SWAP_PTR)
+ xEvent *,
+ xEvent *
+#endif
+);
+
+extern EventSwapPtr EventSwapVector[128];
+
+extern void NotImplemented ( /* FIXME: this may move to another file... */
+#if NeedFunctionPrototypes && defined(EVENT_SWAP_PTR)
+ xEvent *,
+ xEvent *
+#endif
+);
+
+typedef void (* ExtensionLookupProc)( /*args indeterminate*/
+#ifdef EXTENSION_PROC_ARGS
+ EXTENSION_PROC_ARGS
+#endif
+);
+
+typedef struct _ProcEntry {
+ char *name;
+ ExtensionLookupProc proc;
+} ProcEntryRec, *ProcEntryPtr;
+
+typedef struct _ScreenProcEntry {
+ int num;
+ ProcEntryPtr procList;
+} ScreenProcEntry;
+
+#define SetGCVector(pGC, VectorElement, NewRoutineAddress, Atom) \
+ pGC->VectorElement = NewRoutineAddress;
+
+#define GetGCValue(pGC, GCElement) (pGC->GCElement)
+
+
+extern ExtensionEntry *AddExtension(
+#if NeedFunctionPrototypes
+ char* /*name*/,
+ int /*NumEvents*/,
+ int /*NumErrors*/,
+ int (* /*MainProc*/)(
+#if NeedNestedPrototypes
+ ClientPtr /*client*/
+#endif
+),
+ int (* /*SwappedMainProc*/)(
+#if NeedNestedPrototypes
+ ClientPtr /*client*/
+#endif
+),
+ void (* /*CloseDownProc*/)(
+#if NeedNestedPrototypes
+ ExtensionEntry * /*extension*/
+#endif
+),
+ unsigned short (* /*MinorOpcodeProc*/)(
+#if NeedNestedPrototypes
+ ClientPtr /*client*/
+#endif
+ )
+#endif /* NeedFunctionPrototypes */
+);
+
+extern Bool AddExtensionAlias(
+#if NeedFunctionPrototypes
+ char* /*alias*/,
+ ExtensionEntry * /*extension*/
+#endif
+);
+
+extern ExtensionLookupProc LookupProc(
+#if NeedFunctionPrototypes
+ char* /*name*/,
+ GCPtr /*pGC*/
+#endif
+);
+
+extern Bool RegisterProc(
+#if NeedFunctionPrototypes
+ char* /*name*/,
+ GCPtr /*pGC*/,
+ ExtensionLookupProc /*proc*/
+#endif
+);
+
+extern Bool RegisterScreenProc(
+#if NeedFunctionPrototypes
+ char* /*name*/,
+ ScreenPtr /*pScreen*/,
+ ExtensionLookupProc /*proc*/
+#endif
+);
+
+extern void DeclareExtensionSecurity(
+#if NeedFunctionPrototypes
+ char * /*extname*/,
+ Bool /*secure*/
+#endif
+);
+
+#endif /* EXTENSIONSTRUCT_H */
+
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